Home / 8,972.20-13,458.31-4,040.92

Finding the Fourth Proportional to 8,972.20, 13,458.31 and 4,040.92

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Solution

The fourth proportional to 8,972.20, 13,458.31 and 4,040.92 is: 6,061.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,972.20 : 13,458.31 = 4,040.92 : x
  2. Step 2: Convert to fraction form
    8,972.20/13,458.31 = 4,040.92/x
  3. Step 3: Cross multiply
    8,972.20x = 13,458.31 × 4,040.92
  4. Step 4: Simplify right side
    8,972.20x = 54,383,866.55
  5. Step 5: Solve for x
    x = 54,383,866.55/8,972.20
  6. Step 6: Final answer
    x = 6,061.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.